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公开(公告)号:US20060083350A1
公开(公告)日:2006-04-20
申请号:US11236651
申请日:2005-09-28
IPC分类号: G01N23/20
CPC分类号: G01N23/20 , G01T1/2914
摘要: An X-ray or neutron-optical analysis device comprising means for directing radiation from a source (1) onto a sample (2), and a detector (7) with n substantially identical detector elements (Di) which are disposed parallel, next to each other in a first direction x and which extend in strips in a second direction y, wherein i=1, . . . n, for one-dimensional spatially-resolved detection of radiation reflected, scattered or diffracted by the sample (2) onto the detector (7), and with a detection electronics for processing the detector signals of the n detector elements (Di), wherein the detection electronics can reliably process a maximum radiation intensity per detector element (Di) without overloading, is characterized in that an optical element is disposed in front of the detector (7) which covers or weakens radiation incident on the surfaces of the respective n detector elements (Di) in correspondence with a predetermined, non-constant transmission function f(x) and/or the optical element comprises a collimator (6) which can be displaced along the strip direction y. The inventive analysis device permits artificial enlargement of the dynamic range of the detector (7).
摘要翻译: 一种X射线或中子光学分析装置,包括用于将来自源(1)的辐射引导到样品(2)上的装置,以及具有n个基本上相同的检测器元件(D)的检测器(7) ),它们在第一方向x彼此相邻地平行设置,并且在第二方向y上以条状延伸,其中i = 1。 。 。 n,用于由样品(2)反射,散射或衍射到检测器(7)上的辐射的一维空间分辨检测,以及用于处理n个检测器元件的检测器信号的检测电子装置(D& 其中检测电子装置可以可靠地处理每个检测器元件的最大辐射强度而不过载,其特征在于,光学元件设置在检测器的前面( 7),其对应于预定的非常数透射函数f(x)覆盖或削弱入射在各个n个检测器元件的表面上的辐射,和/或光学元件包括 准直器(6),其可沿条带方向y移位。 本发明的分析装置允许人造扩大检测器(7)的动态范围。
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公开(公告)号:US07263161B2
公开(公告)日:2007-08-28
申请号:US11236651
申请日:2005-09-28
IPC分类号: G01N23/20
CPC分类号: G01N23/20 , G01T1/2914
摘要: An X-ray or neutron-optical analysis device comprising means for directing radiation from a source (1) onto a sample (2), and a detector (7) with n substantially identical detector elements (Di) which are disposed parallel, next to each other in a first direction x and which extend in strips in a second direction y, wherein i=1, . . . n, for one-dimensional spatially-resolved detection of radiation reflected, scattered or diffracted by the sample (2) onto the detector (7), and with a detection electronics for processing the detector signals of the n detector elements (Di), wherein the detection electronics can reliably process a maximum radiation intensity per detector element (Di) without overloading, is characterized in that an optical element is disposed in front of the detector (7) which covers or weakens radiation incident on the surfaces of the respective n detector elements (Di) in correspondence with a predetermined, non-constant transmission function f(x) and/or the optical element comprises a collimator (6) which can be displaced along the strip direction y. The inventive analysis device permits artificial enlargement of the dynamic range of the detector (7).
摘要翻译: 一种X射线或中子光学分析装置,包括用于将来自源(1)的辐射引导到样品(2)上的装置,以及具有n个基本上相同的检测器元件(D)的检测器(7) ),它们在第一方向x彼此相邻地平行设置,并且在第二方向y上以条状延伸,其中i = 1。 。 。 n,用于由样品(2)反射,散射或衍射到检测器(7)上的辐射的一维空间分辨检测,以及用于处理n个检测器元件的检测器信号的检测电子装置(D& 其中检测电子装置可以可靠地处理每个检测器元件的最大辐射强度而不过载,其特征在于,光学元件设置在检测器的前面( 7),其对应于预定的非常数透射函数f(x)覆盖或削弱入射在各个n个检测器元件(D SUB)上的辐射的辐射, 准直器(6),其可沿条带方向y移位。 本发明的分析装置允许人造扩大检测器(7)的动态范围。
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公开(公告)号:US08866094B2
公开(公告)日:2014-10-21
申请号:US13813711
申请日:2010-12-09
申请人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
发明人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
IPC分类号: G01T1/24
摘要: There is provided a radiation detector that appropriately corrects an offset within a minute read cell without increasing area while achieving high-speed measurement at a high counting rate. A radiation detector 100 having a plurality of single-photon-counting imaging cells includes, for each imaging cell, a photodiode 3 which is applied with a reverse bias voltage and generates a current signal in response to incidence of radiation, a previous-stage DA converter d1 configured to correct an input signal based on the current signal generated by the photodiode 3, an amplifier k2 configured to amplify the signal corrected by the previous-stage DA converter d1, a subsequent-stage DA converter d2 configured to correct a charge signal amplified by the amplifier k2, a wave height discriminator 9 configured to discriminate output signals based on the signal corrected by the subsequent-stage DA converter d2, and a counter 10 configured to count the discriminated signals.
摘要翻译: 提供了一种辐射检测器,其在不增加面积的情况下适当地校正分钟读取单元内的偏移量,同时以高计数率实现高速测量。 具有多个单光子计数成像单元的放射线检测器100包括针对每个成像单元的光电二极管3,该光电二极管3被施加反向偏置电压并响应于辐射的入射而产生电流信号,前级DA 转换器d1,被配置为基于由光电二极管3产生的电流信号来校正输入信号;放大器k2,被配置为放大由前一级DA转换器d1校正的信号;后级DA转换器d2,被配置为校正电荷信号 由放大器k2放大的波形鉴别器9,被配置为基于由后级DA转换器d2校正的信号来鉴别输出信号的波高鉴别器9以及被配置为对鉴别信号进行计数的计数器10。
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公开(公告)号:US09134431B2
公开(公告)日:2015-09-15
申请号:US13813658
申请日:2010-12-09
申请人: Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
发明人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
摘要: A radiation detector 100 has a plurality of single-photon-counting imaging cells, including an imaging cell 1 configured to generate a detection signal in accordance with the intensity of radiation, a digitization circuit 5 configured to digitize the detection signal, a data read structure 11 configured to count the digitized detection signal and to keep the result as a data bit, and a send-out register 13 configured to control the input of a predetermined data bit output from the data read structure 11 by a data shift in accordance with a first clock Pck, to keep the input data bit as a result of the control, and to send out the kept data bit by a data shift in accordance with a second clock Sck.
摘要翻译: 辐射检测器100具有多个单光子计数成像单元,包括被配置为根据辐射强度产生检测信号的成像单元1,被配置为使检测信号数字化的数字化电路5,数据读取结构 11,被配置为对数字化检测信号进行计数并将结果保持为数据位,发送寄存器13被配置为通过数据移位来控制从数据读取结构11输出的预定数据位的输入 第一时钟Pck,以将输入数据位保持为控制的结果,并且根据第二时钟Sck将保持的数据位发送出数据移位。
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公开(公告)号:US20140203182A1
公开(公告)日:2014-07-24
申请号:US13813711
申请日:2010-12-09
申请人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
发明人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
IPC分类号: G01T1/24
摘要: There is provided a radiation detector that appropriately corrects an offset within a minute read cell without increasing area while achieving high-speed measurement at a high counting rate. A radiation detector 100 having a plurality of single-photon-counting imaging cells includes, for each imaging cell, a photodiode 3 which is applied with a reverse bias voltage and generates a current signal in response to incidence of radiation, a previous-stage DA converter d1 configured to correct an input signal based on the current signal generated by the photodiode 3, an amplifier k2 configured to amplify the signal corrected by the previous-stage DA converter d1, a subsequent-stage DA converter d2 configured to correct a charge signal amplified by the amplifier k2, a wave height discriminator 9 configured to discriminate output signals based on the signal corrected by the subsequent-stage DA converter d2, and a counter 10 configured to count the discriminated signals.
摘要翻译: 提供了一种辐射检测器,其在不增加面积的情况下适当地校正分钟读取单元内的偏移量,同时以高计数率实现高速测量。 具有多个单光子计数成像单元的放射线检测器100包括针对每个成像单元的光电二极管3,该光电二极管3被施加反向偏置电压并响应于辐射的入射而产生电流信号,前级DA 转换器d1,被配置为基于由光电二极管3产生的电流信号来校正输入信号;放大器k2,被配置为放大由前一级DA转换器d1校正的信号;后级DA转换器d2,被配置为校正电荷信号 由放大器k2放大的波形鉴别器9,被配置为基于由后级DA转换器d2校正的信号来鉴别输出信号的波高鉴别器9以及被配置为对鉴别信号进行计数的计数器10。
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公开(公告)号:US20140131588A1
公开(公告)日:2014-05-15
申请号:US13813658
申请日:2010-12-09
申请人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
发明人: Akira Tsukiyama , Takuto Sakumura , Yuji Tsuji , Pawel Grybos , Piotr Maj , Robert Szczygiel
IPC分类号: G01T1/16
摘要: There is provided a radiation detector which shortens the data read time to outside in accordance with the necessity to increase the frame rate. A radiation detector 100 having a plurality of single-photon-counting imaging cells, including an imaging cell 1 configured to generate a detection signal in accordance with the intensity of radiation, a digitization circuit 5 configured to digitize the detection signal, a data read structure 11 configured to count the digitized detection signal and to keep the result as a data bit, and a send-out register 13 configured to control the input of a predetermined data bit output from the data read structure 11 by a data shift in accordance with a first clock Pck, to keep the input data bit as a result of the control, and to send out the kept data bit by a data shift in accordance with a second clock Sck.
摘要翻译: 提供了一种根据增加帧速率的必要性将数据读取时间缩短到外部的辐射检测器。 具有多个单光子计数成像单元的放射线检测器100,包括被配置为根据辐射强度生成检测信号的成像单元1,被配置为使检测信号数字化的数字化电路5,数据读取结构 11,被配置为对数字化检测信号进行计数并将结果保持为数据位,发送寄存器13被配置为通过数据移位来控制从数据读取结构11输出的预定数据位的输入 第一时钟Pck,以将输入数据位保持为控制的结果,并且根据第二时钟Sck将保持的数据位发送出数据移位。
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